/* a replacement for modf that doesn't need the math library. Should
be portable, but slow */
static double my_modf(double x0, double *iptr)
{
int i;
long l;
double x = x0;
double f = 1.0;
for (i=0;i<100;i++) {
l = (long)x;
if (l <= (x+1) && l >= (x-1)) break;
x *= 0.1;
f *= 10.0;
}
if (i == 100) {
/* yikes! the number is beyond what we can handle. What do we do? */
(*iptr) = 0;
return 0;
}
if (i != 0) {
double i2;
double ret;
ret = my_modf(x0-l*f, &i2);
(*iptr) = l*f + i2;
return ret;
}
(*iptr) = l;
return x - (*iptr);
}
void Camera::step(f32 dtime)
{
if (m_view_bobbing_state != 0) {
f32 offset = dtime * m_view_bobbing_speed * 0.030;
if (m_view_bobbing_state == 2) {
// Animation is getting turned off
if (m_view_bobbing_anim < 0.25) {
m_view_bobbing_anim -= offset;
}else if (m_view_bobbing_anim > 0.75) {
m_view_bobbing_anim += offset;
}
if (m_view_bobbing_anim < 0.5) {
m_view_bobbing_anim += offset;
if (m_view_bobbing_anim > 0.5)
m_view_bobbing_anim = 0.5;
}else{
m_view_bobbing_anim -= offset;
if (m_view_bobbing_anim < 0.5)
m_view_bobbing_anim = 0.5;
}
if (
m_view_bobbing_anim <= 0
|| m_view_bobbing_anim >= 1
|| fabs(m_view_bobbing_anim - 0.5) < 0.01
) {
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
m_view_bobbing_speed = 20;
}
}else{
float was = m_view_bobbing_anim;
m_view_bobbing_anim = my_modf(m_view_bobbing_anim + offset);
if (was == 0 || (was < 0.5f && m_view_bobbing_anim >= 0.5f)) {
m_client->playStepSound(0);
}else if ((was > 0.5f && m_view_bobbing_anim <= 0.5f)) {
m_client->playStepSound(1);
}
}
}
if (m_digging_button != -1) {
f32 offset = dtime * 3.5;
float m_digging_anim_was = m_digging_anim;
m_digging_anim += offset;
if (m_digging_anim >= 1) {
m_digging_anim = 0;
m_digging_button = -1;
}
float lim = 0.15;
if (m_digging_anim_was < lim && m_digging_anim >= lim) {
if (m_digging_button == 0) {
m_client->playDigSound(CONTENT_IGNORE);
}else if(m_digging_button == 1) {
m_client->playPlaceSound(CONTENT_IGNORE);
}
}
}
}
static void test1(double x)
{
double i1, i2;
double d1, d2;
d1 = modf(x, &i1);
d2 = my_modf(x, &i2);
if (d1 != d2 || i1 != i2) {
printf("%f\t%f\n", d1, i1);
printf("%f\t%f\n", d2, i2);
}
}
void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime, f32 tool_reload_ratio)
{
// Get player position
// Smooth the movement when walking up stairs
v3f old_player_position = m_playernode->getPosition();
v3f player_position = player->getPosition();
if (player->isAttached && player->parent)
player_position = player->parent->getPosition();
//if(player->touching_ground && player_position.Y > old_player_position.Y)
if(player->touching_ground &&
player_position.Y > old_player_position.Y)
{
f32 oldy = old_player_position.Y;
f32 newy = player_position.Y;
f32 t = exp(-23*frametime);
player_position.Y = oldy * t + newy * (1-t);
}
// Set player node transformation
m_playernode->setPosition(player_position);
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Get camera tilt timer (hurt animation)
float cameratilt = fabs(fabs(player->hurt_tilt_timer-0.75)-0.75);
// Fall bobbing animation
float fall_bobbing = 0;
if(player->camera_impact >= 1 && m_camera_mode < CAMERA_MODE_THIRD)
{
if(m_view_bobbing_fall == -1) // Effect took place and has finished
player->camera_impact = m_view_bobbing_fall = 0;
else if(m_view_bobbing_fall == 0) // Initialize effect
m_view_bobbing_fall = 1;
// Convert 0 -> 1 to 0 -> 1 -> 0
fall_bobbing = m_view_bobbing_fall < 0.5 ? m_view_bobbing_fall * 2 : -(m_view_bobbing_fall - 0.5) * 2 + 1;
// Smoothen and invert the above
fall_bobbing = sin(fall_bobbing * 0.5 * M_PI) * -1;
// Amplify according to the intensity of the impact
fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
fall_bobbing *= m_cache_fall_bobbing_amount;
}
// Calculate players eye offset for different camera modes
v3f PlayerEyeOffset = player->getEyeOffset();
if (m_camera_mode == CAMERA_MODE_FIRST)
PlayerEyeOffset += player->eye_offset_first;
else
PlayerEyeOffset += player->eye_offset_third;
// Set head node transformation
m_headnode->setPosition(PlayerEyeOffset+v3f(0,cameratilt*-player->hurt_tilt_strength+fall_bobbing,0));
m_headnode->setRotation(v3f(player->getPitch(), 0, cameratilt*player->hurt_tilt_strength));
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_cache_view_bobbing_amount != 0.0f && m_view_bobbing_anim != 0.0f &&
m_camera_mode < CAMERA_MODE_THIRD) {
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * M_PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * M_PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * M_PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * M_PI);
float f = 1.0;
f *= m_cache_view_bobbing_amount;
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * M_PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * M_PI);
f32 angle_rad = angle_deg * M_PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Seperate camera position for calculation
v3f my_cp = m_camera_position;
// Reposition the camera for third person view
if (m_camera_mode > CAMERA_MODE_FIRST)
{
if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
m_camera_direction *= -1;
my_cp.Y += 2;
// Calculate new position
bool abort = false;
for (int i = BS; i <= BS * 2.75; i++) {
my_cp.X = m_camera_position.X + m_camera_direction.X * -i;
my_cp.Z = m_camera_position.Z + m_camera_direction.Z * -i;
if (i > 12)
my_cp.Y = m_camera_position.Y + (m_camera_direction.Y * -i);
// Prevent camera positioned inside nodes
INodeDefManager *nodemgr = m_client->ndef();
MapNode n = m_client->getEnv().getClientMap()
.getNodeNoEx(floatToInt(my_cp, BS));
const ContentFeatures& features = nodemgr->get(n);
if (features.walkable) {
my_cp.X += m_camera_direction.X*-1*-BS/2;
my_cp.Z += m_camera_direction.Z*-1*-BS/2;
my_cp.Y += m_camera_direction.Y*-1*-BS/2;
abort = true;
break;
}
}
// If node blocks camera position don't move y to heigh
if (abort && my_cp.Y > player_position.Y+BS*2)
my_cp.Y = player_position.Y+BS*2;
}
// Update offset if too far away from the center of the map
m_camera_offset.X += CAMERA_OFFSET_STEP*
(((s16)(my_cp.X/BS) - m_camera_offset.X)/CAMERA_OFFSET_STEP);
m_camera_offset.Y += CAMERA_OFFSET_STEP*
(((s16)(my_cp.Y/BS) - m_camera_offset.Y)/CAMERA_OFFSET_STEP);
m_camera_offset.Z += CAMERA_OFFSET_STEP*
(((s16)(my_cp.Z/BS) - m_camera_offset.Z)/CAMERA_OFFSET_STEP);
// Set camera node transformation
m_cameranode->setPosition(my_cp-intToFloat(m_camera_offset, BS));
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(my_cp-intToFloat(m_camera_offset, BS) + 100 * m_camera_direction);
// update the camera position in front-view mode to render blocks behind player
if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
m_camera_position = my_cp;
// Get FOV
f32 fov_degrees;
if (player->getPlayerControl().zoom && player->getCanZoom()) {
fov_degrees = m_cache_zoom_fov;
} else {
fov_degrees = m_cache_fov;
}
fov_degrees = rangelim(fov_degrees, 7.0, 160.0);
// FOV and aspect ratio
const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
m_aspect = (f32) window_size.X / (f32) window_size.Y;
m_fov_y = fov_degrees * M_PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
m_fov_x = 2 * atan(m_aspect * tan(0.5 * m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
if (m_arm_inertia)
addArmInertia(player->getYaw());
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(m_wieldmesh_offset.X, m_wieldmesh_offset.Y, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
wield_position.Y += fabs(m_wield_change_timer)*320 - 40;
if(m_digging_anim < 0.05 || m_digging_anim > 0.5)
{
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if (m_digging_button != -1)
{
f32 digfrac = m_digging_anim;
wield_position.X -= 50 * sin(pow(digfrac, 0.8f) * M_PI);
wield_position.Y += 24 * sin(digfrac * 1.8 * M_PI);
wield_position.Z += 25 * 0.5;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * M_PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
} else {
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*M_PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*M_PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldnode->setColor(player->light_color);
// Set render distance
updateViewingRange();
// If the player is walking, swimming, or climbing,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
const v3f &speed = player->getSpeed();
const bool movement_XZ = hypot(speed.X, speed.Z) > BS;
const bool movement_Y = fabs(speed.Y) > BS;
const bool walking = movement_XZ && player->touching_ground;
const bool swimming = (movement_XZ || player->swimming_vertical) && player->in_liquid;
const bool climbing = movement_Y && player->is_climbing;
if ((walking || swimming || climbing) &&
(!g_settings->getBool("free_move") || !m_client->checkLocalPrivilege("fly"))) {
// Start animation
m_view_bobbing_state = 1;
m_view_bobbing_speed = MYMIN(speed.getLength(), 70);
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
void Camera::step(f32 dtime)
{
if(m_view_bobbing_fall > 0)
{
m_view_bobbing_fall -= 3 * dtime;
if(m_view_bobbing_fall <= 0)
m_view_bobbing_fall = -1; // Mark the effect as finished
}
bool was_under_zero = m_wield_change_timer < 0;
m_wield_change_timer = MYMIN(m_wield_change_timer + dtime, 0.125);
if (m_wield_change_timer >= 0 && was_under_zero)
m_wieldnode->setItem(m_wield_item_next, m_client);
if (m_view_bobbing_state != 0)
{
//f32 offset = dtime * m_view_bobbing_speed * 0.035;
f32 offset = dtime * m_view_bobbing_speed * 0.030;
if (m_view_bobbing_state == 2) {
// Animation is getting turned off
if (m_view_bobbing_anim < 0.25) {
m_view_bobbing_anim -= offset;
} else if (m_view_bobbing_anim > 0.75) {
m_view_bobbing_anim += offset;
}
if (m_view_bobbing_anim < 0.5) {
m_view_bobbing_anim += offset;
if (m_view_bobbing_anim > 0.5)
m_view_bobbing_anim = 0.5;
} else {
m_view_bobbing_anim -= offset;
if (m_view_bobbing_anim < 0.5)
m_view_bobbing_anim = 0.5;
}
if (m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1 ||
fabs(m_view_bobbing_anim - 0.5) < 0.01) {
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
}
}
else {
float was = m_view_bobbing_anim;
m_view_bobbing_anim = my_modf(m_view_bobbing_anim + offset);
bool step = (was == 0 ||
(was < 0.5f && m_view_bobbing_anim >= 0.5f) ||
(was > 0.5f && m_view_bobbing_anim <= 0.5f));
if(step) {
MtEvent *e = new SimpleTriggerEvent("ViewBobbingStep");
m_client->event()->put(e);
}
}
}
if (m_digging_button != -1)
{
f32 offset = dtime * 3.5;
float m_digging_anim_was = m_digging_anim;
m_digging_anim += offset;
if (m_digging_anim >= 1)
{
m_digging_anim = 0;
m_digging_button = -1;
}
float lim = 0.15;
if(m_digging_anim_was < lim && m_digging_anim >= lim)
{
if(m_digging_button == 0)
{
MtEvent *e = new SimpleTriggerEvent("CameraPunchLeft");
m_client->event()->put(e);
} else if(m_digging_button == 1) {
MtEvent *e = new SimpleTriggerEvent("CameraPunchRight");
m_client->event()->put(e);
}
}
}
}
void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
v2u32 screensize, f32 tool_reload_ratio)
{
// Get player position
// Smooth the movement when walking up stairs
v3f old_player_position = m_playernode->getPosition();
v3f player_position = player->getPosition();
if (player->isAttached && player->parent)
player_position = player->parent->getPosition();
//if(player->touching_ground && player_position.Y > old_player_position.Y)
if(player->touching_ground &&
player_position.Y > old_player_position.Y)
{
f32 oldy = old_player_position.Y;
f32 newy = player_position.Y;
f32 t = exp(-23*frametime);
player_position.Y = oldy * t + newy * (1-t);
}
// Set player node transformation
m_playernode->setPosition(player_position);
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Get camera tilt timer (hurt animation)
float cameratilt = fabs(fabs(player->hurt_tilt_timer-0.75)-0.75);
// Fall bobbing animation
float fall_bobbing = 0;
if(player->camera_impact >= 1)
{
if(m_view_bobbing_fall == -1) // Effect took place and has finished
player->camera_impact = m_view_bobbing_fall = 0;
else if(m_view_bobbing_fall == 0) // Initialize effect
m_view_bobbing_fall = 1;
// Convert 0 -> 1 to 0 -> 1 -> 0
fall_bobbing = m_view_bobbing_fall < 0.5 ? m_view_bobbing_fall * 2 : -(m_view_bobbing_fall - 0.5) * 2 + 1;
// Smoothen and invert the above
fall_bobbing = sin(fall_bobbing * 0.5 * M_PI) * -1;
// Amplify according to the intensity of the impact
fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
fall_bobbing *= g_settings->getFloat("fall_bobbing_amount");
}
// Set head node transformation
m_headnode->setPosition(player->getEyeOffset()+v3f(0,cameratilt*-player->hurt_tilt_strength+fall_bobbing,0));
m_headnode->setRotation(v3f(player->getPitch(), 0, cameratilt*player->hurt_tilt_strength));
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_anim != 0)
{
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * M_PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * M_PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * M_PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * M_PI);
float f = 1.0;
f *= g_settings->getFloat("view_bobbing_amount");
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * M_PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * M_PI);
f32 angle_rad = angle_deg * M_PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position);
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = fov_degrees * M_PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
m_fov_x = 2 * atan(m_aspect * tan(0.5 * m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(55, -35, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
if(m_wield_change_timer < 0)
wield_position.Y -= 40 + m_wield_change_timer*320;
else
wield_position.Y -= 40 - m_wield_change_timer*320;
if(m_digging_anim < 0.05 || m_digging_anim > 0.5){
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if (m_digging_button != -1)
{
f32 digfrac = m_digging_anim;
wield_position.X -= 50 * sin(pow(digfrac, 0.8f) * M_PI);
wield_position.Y += 24 * sin(digfrac * 1.8 * M_PI);
wield_position.Z += 25 * 0.5;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * M_PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}
else {
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*M_PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*M_PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldlight = player->light;
// Render distance feedback loop
updateViewingRange(frametime, busytime);
// If the player seems to be walking on solid ground,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
if ((hypot(speed.X, speed.Z) > BS) &&
(player->touching_ground) &&
(g_settings->getBool("view_bobbing") == true) &&
(g_settings->getBool("free_move") == false ||
!m_gamedef->checkLocalPrivilege("fly")))
{
// Start animation
m_view_bobbing_state = 1;
m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
f32 tool_reload_ratio)
{
// Set player node transformation
m_playernode->setPosition(player->getPosition());
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Set head node transformation
m_headnode->setPosition(player->getEyeOffset());
m_headnode->setRotation(v3f(player->getPitch(), 0, 0));
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_anim != 0)
{
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * PI);
float f = 1.0;
f *= g_settings->getFloat("view_bobbing_amount");
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * PI);
f32 angle_rad = angle_deg * PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position);
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = fov_degrees * PI / 180.0;
m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(55, -35, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
if(m_digging_anim < 0.05 || m_digging_anim > 0.5){
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if (m_digging_button != -1)
{
f32 digfrac = m_digging_anim;
wield_position.X -= 30 * sin(pow(digfrac, 0.8f) * PI);
wield_position.Y += 15 * sin(digfrac * 2 * PI);
wield_position.Z += 5 * digfrac;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(90, -10, -130) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}
else {
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldlight = player->light;
// Render distance feedback loop
updateViewingRange(frametime);
// If the player seems to be walking on solid ground,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
if ((hypot(speed.X, speed.Z) > BS) &&
(player->touching_ground) &&
(g_settings->getBool("view_bobbing") == true) &&
(g_settings->getBool("free_move") == false))
{
// Start animation
m_view_bobbing_state = 1;
m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
void Camera::step(f32 dtime)
{
if (m_view_bobbing_state != 0)
{
//f32 offset = dtime * m_view_bobbing_speed * 0.035;
f32 offset = dtime * m_view_bobbing_speed * 0.030;
if (m_view_bobbing_state == 2)
{
#if 0
// Animation is getting turned off
if (m_view_bobbing_anim < 0.5)
m_view_bobbing_anim -= offset;
else
m_view_bobbing_anim += offset;
if (m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1)
{
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
}
#endif
#if 1
// Animation is getting turned off
if(m_view_bobbing_anim < 0.25){
m_view_bobbing_anim -= offset;
} else if(m_view_bobbing_anim > 0.75){
m_view_bobbing_anim += offset;
} if(m_view_bobbing_anim < 0.5){
m_view_bobbing_anim += offset;
if(m_view_bobbing_anim > 0.5)
m_view_bobbing_anim = 0.5;
} else {
m_view_bobbing_anim -= offset;
if(m_view_bobbing_anim < 0.5)
m_view_bobbing_anim = 0.5;
}
if(m_view_bobbing_anim <= 0 || m_view_bobbing_anim >= 1 ||
fabs(m_view_bobbing_anim - 0.5) < 0.01)
{
m_view_bobbing_anim = 0;
m_view_bobbing_state = 0;
}
#endif
}
else
{
float was = m_view_bobbing_anim;
m_view_bobbing_anim = my_modf(m_view_bobbing_anim + offset);
bool step = (was == 0 ||
(was < 0.5f && m_view_bobbing_anim >= 0.5f) ||
(was > 0.5f && m_view_bobbing_anim <= 0.5f));
if(step){
MtEvent *e = new SimpleTriggerEvent("ViewBobbingStep");
m_gamedef->event()->put(e);
}
}
}
if (m_digging_button != -1)
{
f32 offset = dtime * 3.5;
float m_digging_anim_was = m_digging_anim;
m_digging_anim += offset;
if (m_digging_anim >= 1)
{
m_digging_anim = 0;
m_digging_button = -1;
}
float lim = 0.15;
if(m_digging_anim_was < lim && m_digging_anim >= lim)
{
if(m_digging_button == 0){
MtEvent *e = new SimpleTriggerEvent("CameraPunchLeft");
m_gamedef->event()->put(e);
} else if(m_digging_button == 1){
MtEvent *e = new SimpleTriggerEvent("CameraPunchRight");
m_gamedef->event()->put(e);
}
}
}
}
void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize)
{
// Set player node transformation
m_playernode->setPosition(player->getPosition());
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Set head node transformation
m_headnode->setPosition(player->getEyeOffset());
m_headnode->setRotation(v3f(player->getPitch(), 0, 0));
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_state != 0 && m_view_bobbing_anim != 0) {
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * PI),
-0.28 * bobtmp * bobtmp,
0.);
float f = 1.0;
f *= m_view_bobbing_amount;
rel_cam_pos += bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * PI * f);
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Update offset if too far away from the center of the map
m_camera_offset.X += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.X/BS) - m_camera_offset.X)/CAMERA_OFFSET_STEP);
m_camera_offset.Y += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.Y/BS) - m_camera_offset.Y)/CAMERA_OFFSET_STEP);
m_camera_offset.Z += CAMERA_OFFSET_STEP*
(((s16)(m_camera_position.Z/BS) - m_camera_offset.Z)/CAMERA_OFFSET_STEP);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position-intToFloat(m_camera_offset, BS));
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position-intToFloat(m_camera_offset, BS) + 100 * m_camera_direction);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = m_fov * PI / 180.0;
m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
v3f wield_position = m_wieldnode_baseposition;
v3f wield_rotation = m_wieldnode_baserotation;
if (m_digging_button != -1) {
f32 digfrac = m_digging_anim;
wield_position.X -= 30 * sin(pow(digfrac, 0.8f) * PI);
wield_position.Y += 15 * sin(digfrac * 2 * PI);
wield_position.Z += 5 * digfrac;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(90, -10, -130) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}else{
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
u8 li = decode_light(player->light);
// Set brightness one lower than incoming light
diminish_light(li);
m_wieldnode->updateLight(li);
// Render distance feedback loop
updateViewingRange(frametime);
// If the player seems to be walking on solid ground,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
if (
(hypot(speed.X, speed.Z) > BS)
&& (player->touching_ground)
&& m_view_bobbing == true
&& player->control.free == false
) {
// Start animation
m_view_bobbing_state = 1;
m_view_bobbing_speed = MYMIN(speed.getLength(), 60)*1.2;
}else if (m_view_bobbing_state == 1) {
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
void Camera::update(LocalPlayer* player, f32 frametime, v2u32 screensize,
f32 tool_reload_ratio)
{
// Get player position
// Smooth the movement when walking up stairs
v3f old_player_position = m_playernode->getPosition();
v3f player_position = player->getPosition();
//if(player->touching_ground && player_position.Y > old_player_position.Y)
if(player->touching_ground &&
player_position.Y > old_player_position.Y)
{
f32 oldy = old_player_position.Y;
f32 newy = player_position.Y;
f32 t = exp(-23*frametime);
player_position.Y = oldy * t + newy * (1-t);
}
// Set player node transformation
m_playernode->setPosition(player_position);
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Get camera tilt timer (hurt animation)
float cameratilt = fabs(fabs(-(player->hurt_tilt_timer_max/2)+player->hurt_tilt_timer)-player->hurt_tilt_timer_max/2)/5;
v3f campos(player->getEyeOffset());
v3f camrot(player->getPitch(), 0, 0);
//f32 incr = 0.3/m_sprinting_fov_states;
/*if(m_sprinting_fov_state <= 0)
{
m_sprinting_fov_state = incr;
}
else if(m_sprinting_fov_state < 0.3)
{
m_sprinting_fov_state += incr;
}*/
if(player->sprinting_timer != -10 && player->sprinting_timer != -20 && player->sprinting_timer != -30)
{
m_sprinting_fov_state = 0.3-player->sprinting_timer;
}
m_headnode->updateAbsolutePosition();
if(cameratilt > 0)
{
campos += v3f(0, cameratilt * -13, 0);
camrot += v3f(0, 0, cameratilt * 13 * BS);
}
if(player->control.sneak)
{
campos += v3f(0, -player->camera_sneak_state*BS, 0);
if (player->camera_sneak_state < 0.18)
player->camera_sneak_state += 0.02;
}
else if (player->camera_sneak_state > 0)
{
player->camera_sneak_state -= 0.02;
}
campos += v3f(0, 0, m_sprinting_fov_state * BS);
// Set head node transformation
m_headnode->setPosition(campos);
m_headnode->setRotation(camrot);
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_anim != 0)
{
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * PI);
float f = 1.0;
f *= g_settings->getFloat("view_bobbing_amount");
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * PI);
f32 angle_rad = angle_deg * PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Set camera node transformation
m_cameranode->setPosition(m_camera_position);
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(m_camera_position + 100 * m_camera_direction);
// Get FOV setting
f32 fov_degrees = g_settings->getFloat("fov");
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32)screensize.X / (f32) screensize.Y;
m_fov_y = fov_degrees * PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
// WTF is this? It can't be right
m_fov_x = 2 * atan(0.5 * m_aspect * tan(m_fov_y));
m_fov_x += m_sprinting_fov_state;
m_fov_y += m_sprinting_fov_state;
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(55, -35, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
if(m_digging_anim < 0.05 || m_digging_anim > 0.5)
{
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if(m_digging_button != -1)
{
if(m_digging_button == 0 && m_eatable)
{
m_is_eating = true;
wield_position.X = 0;
wield_position.Y = -20 + m_eating_anim;
wield_position.Z = 65;
wield_rotation.X = 0;
wield_rotation.Y = 0;
wield_rotation.Z = 0;
}
else
{
m_is_eating = false;
f32 digfrac = m_digging_anim;
wield_position.X -= 50 * sin(pow(digfrac, 0.7f) * PI);
wield_position.Y += 24 * sin(digfrac * 1.8 * PI);
wield_position.Z += 25 * 0.5;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
}
}
else
{
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldlight = player->light;
// Render distance feedback loop
updateViewingRange(frametime);
// If the player seems to be walking on solid ground,
// view bobbing is enabled and the player is not flying,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
if ((hypot(speed.X, speed.Z) > BS) &&
(player->touching_ground) &&
(g_settings->getBool("view_bobbing") == true) &&
(!player->is_flying ||
!m_gamedef->checkLocalPrivilege("fly")))
{
// Start animation
m_view_bobbing_state = 1;
//m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
m_view_bobbing_speed = speed.getLength()*0.7;
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
